FR2396780B1 - - Google Patents
Info
- Publication number
- FR2396780B1 FR2396780B1 FR7819383A FR7819383A FR2396780B1 FR 2396780 B1 FR2396780 B1 FR 2396780B1 FR 7819383 A FR7819383 A FR 7819383A FR 7819383 A FR7819383 A FR 7819383A FR 2396780 B1 FR2396780 B1 FR 2396780B1
- Authority
- FR
- France
- Prior art keywords
- cellulose acetate
- hollow fibers
- glycerine
- microns
- polyethylene glycol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 abstract 4
- 229920002301 cellulose acetate Polymers 0.000 abstract 3
- 239000012510 hollow fiber Substances 0.000 abstract 3
- 239000002202 Polyethylene glycol Substances 0.000 abstract 2
- 235000011187 glycerol Nutrition 0.000 abstract 2
- 229920001223 polyethylene glycol Polymers 0.000 abstract 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- 239000004202 carbamide Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 210000003734 kidney Anatomy 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000000108 ultra-filtration Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/08—Polysaccharides
- B01D71/12—Cellulose derivatives
- B01D71/14—Esters of organic acids
- B01D71/16—Cellulose acetate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
- B01D69/081—Hollow fibre membranes characterised by the fibre diameter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
- B01D69/087—Details relating to the spinning process
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/20—Specific permeability or cut-off range
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Artificial Filaments (AREA)
- External Artificial Organs (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US81292977A | 1977-07-05 | 1977-07-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2396780A1 FR2396780A1 (fr) | 1979-02-02 |
| FR2396780B1 true FR2396780B1 (it) | 1983-02-25 |
Family
ID=25211003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7819383A Granted FR2396780A1 (fr) | 1977-07-05 | 1978-06-28 | Fibre creuse d'acetate de cellulose et son procede de realisation |
Country Status (18)
| Country | Link |
|---|---|
| JP (2) | JPS5442420A (it) |
| AT (1) | AT364899B (it) |
| AU (1) | AU519458B2 (it) |
| BE (1) | BE868708A (it) |
| BR (1) | BR7804325A (it) |
| CA (1) | CA1107020A (it) |
| CH (1) | CH632536A5 (it) |
| DD (1) | DD137950A5 (it) |
| DE (1) | DE2827100C2 (it) |
| DK (1) | DK149600C (it) |
| FR (1) | FR2396780A1 (it) |
| GB (1) | GB2000722B (it) |
| IT (1) | IT1107799B (it) |
| MX (1) | MX153159A (it) |
| NL (1) | NL7807225A (it) |
| NO (1) | NO147979C (it) |
| NZ (1) | NZ187610A (it) |
| SE (1) | SE428221B (it) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1153171A (en) * | 1979-12-17 | 1983-09-06 | David T. Chen | Cellulose semipermeable hollow fibers and method for making same |
| JPS5949806A (ja) * | 1982-09-13 | 1984-03-22 | Teijin Ltd | セルロースエステル系中空糸状分離膜 |
| JPS59199807A (ja) * | 1983-04-20 | 1984-11-13 | Teijin Ltd | 選択透過性セルロ−スエステル系中空繊維の製造方法 |
| JPS59211459A (ja) * | 1983-05-17 | 1984-11-30 | 帝人株式会社 | 血液処理器の滅菌方法 |
| JPS605202A (ja) * | 1983-06-21 | 1985-01-11 | Teijin Ltd | 多孔性セルロ−スエステル系中空繊維およびその製造方法 |
| CA1272139C (en) * | 1984-11-16 | 1990-07-31 | FLUID SEPARATOR, HOLLOW FIBERS USED FOR ITS MANUFACTURE, AND PREPARATION OF SAID HOLLOW FIBERS | |
| JPS6343669A (ja) * | 1986-08-08 | 1988-02-24 | 帝人株式会社 | 血液処理器の製造方法 |
| EP1335045B1 (en) | 2001-06-26 | 2016-12-28 | Toray Industries, Inc. | Thermoplastic cellulose derivative composition and fiber comprising the same |
| DK2818228T3 (da) * | 2012-02-24 | 2020-09-07 | Toyo Boseki | Hulfibertype cellulosetriacetat-semipermeabel membran, fremgangsmåde til fremstilling af samme, modul og vandbehandlingsfremgangsmåde |
| WO2016052675A1 (ja) * | 2014-09-30 | 2016-04-07 | 東レ株式会社 | 分離膜 |
| DE102020102096B4 (de) | 2020-01-29 | 2023-03-23 | Cerdia International GmbH | Celluloseacetathaltiger faserstoff für ein nonwoven-produkt, nonwoven-produkt mit einem solchen faserstoff und verfahren zur herstellung eines solchen faserstoffs |
| JP7582322B2 (ja) * | 2020-10-30 | 2024-11-13 | 東洋紡株式会社 | 中空糸膜の製造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE342820A (it) * | 1925-09-17 | |||
| FR1456757A (fr) * | 1964-09-02 | 1966-07-08 | Dow Chemical Co | Fibres creuses sélectivement perméables et leur fabrication |
| US3423491A (en) * | 1964-09-02 | 1969-01-21 | Dow Chemical Co | Permselective hollow fibers and method of making |
| US3532527A (en) * | 1966-11-04 | 1970-10-06 | Dow Chemical Co | Permeable separatory membranes |
| US3745202A (en) * | 1971-03-17 | 1973-07-10 | Us Interior | Method of preparing an asymmetric membrane from a cellulose derivative |
| JPS5170316A (ja) * | 1974-12-16 | 1976-06-17 | Teijin Ltd | Seruroosuaseteetochukushino seizohoho |
-
1978
- 1978-06-09 AU AU36971/78A patent/AU519458B2/en not_active Expired
- 1978-06-19 NZ NZ187610A patent/NZ187610A/xx unknown
- 1978-06-21 DE DE2827100A patent/DE2827100C2/de not_active Expired
- 1978-06-22 CA CA306,020A patent/CA1107020A/en not_active Expired
- 1978-06-28 FR FR7819383A patent/FR2396780A1/fr active Granted
- 1978-06-30 AT AT0477578A patent/AT364899B/de not_active IP Right Cessation
- 1978-06-30 IT IT50125/78A patent/IT1107799B/it active
- 1978-07-04 NO NO782320A patent/NO147979C/no unknown
- 1978-07-04 MX MX174045A patent/MX153159A/es unknown
- 1978-07-04 GB GB7828704A patent/GB2000722B/en not_active Expired
- 1978-07-04 SE SE7807516A patent/SE428221B/sv not_active IP Right Cessation
- 1978-07-04 JP JP8138378A patent/JPS5442420A/ja active Pending
- 1978-07-04 BE BE189048A patent/BE868708A/xx not_active IP Right Cessation
- 1978-07-04 DD DD78206508A patent/DD137950A5/xx unknown
- 1978-07-04 DK DK302078A patent/DK149600C/da not_active IP Right Cessation
- 1978-07-04 CH CH727578A patent/CH632536A5/fr not_active IP Right Cessation
- 1978-07-04 NL NL7807225A patent/NL7807225A/xx not_active Application Discontinuation
- 1978-07-05 BR BR7804325A patent/BR7804325A/pt unknown
-
1987
- 1987-02-05 JP JP62025535A patent/JPS62250215A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2827100C2 (de) | 1983-04-28 |
| NO147979C (no) | 1983-07-20 |
| CA1107020A (en) | 1981-08-18 |
| JPS62250215A (ja) | 1987-10-31 |
| CH632536A5 (fr) | 1982-10-15 |
| GB2000722B (en) | 1982-01-27 |
| IT1107799B (it) | 1985-11-25 |
| JPS5442420A (en) | 1979-04-04 |
| NL7807225A (nl) | 1979-01-09 |
| NO782320L (no) | 1979-01-08 |
| BR7804325A (pt) | 1979-04-17 |
| AU519458B2 (en) | 1981-12-03 |
| FR2396780A1 (fr) | 1979-02-02 |
| AU3697178A (en) | 1979-12-13 |
| ATA477578A (de) | 1981-04-15 |
| GB2000722A (en) | 1979-01-17 |
| NZ187610A (en) | 1980-09-12 |
| BE868708A (fr) | 1979-01-04 |
| DK302078A (da) | 1979-01-06 |
| SE428221B (sv) | 1983-06-13 |
| SE7807516L (sv) | 1979-01-06 |
| DD137950A5 (de) | 1979-10-03 |
| MX153159A (es) | 1986-08-14 |
| IT7850125A0 (it) | 1978-06-30 |
| DK149600C (da) | 1987-02-09 |
| JPS6317922B2 (it) | 1988-04-15 |
| AT364899B (de) | 1981-11-25 |
| DK149600B (da) | 1986-08-04 |
| NO147979B (no) | 1983-04-11 |
| DE2827100A1 (de) | 1979-01-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse | ||
| AR | Application made for restoration | ||
| CD | Change of name or company name | ||
| DS | Decision of the director general to state about an appeal |